Base | Representation |
---|---|
bin | 1000100000011000110000 |
3 | 11012021201111 |
4 | 20200120300 |
5 | 1032323213 |
6 | 115443104 |
7 | 24644620 |
oct | 10403060 |
9 | 4167644 |
10 | 2229808 |
11 | 1293319 |
12 | 8b6494 |
13 | 600c19 |
14 | 420880 |
15 | 2e0a3d |
hex | 220630 |
2229808 has 40 divisors (see below), whose sum is σ = 5063168. Its totient is φ = 931392.
The previous prime is 2229793. The next prime is 2229809. The reversal of 2229808 is 8089222.
It is a self number, because there is not a number n which added to its sum of digits gives 2229808.
It is not an unprimeable number, because it can be changed into a prime (2229809) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585 + ... + 5047.
22229808 is an apocalyptic number.
2229808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2229808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2531584).
2229808 is an abundant number, since it is smaller than the sum of its proper divisors (2833360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2229808 is a wasteful number, since it uses less digits than its factorization.
2229808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 521 (or 515 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 2229808 is about 1493.2541645681. The cubic root of 2229808 is about 130.6439059805.
The spelling of 2229808 in words is "two million, two hundred twenty-nine thousand, eight hundred eight".
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